Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The onset of April marks an average high-temperature of a still tropical 32°C (89.6°F), hardly differing from March's 32.1°C (89.8°F). In April, Raddolugama experiences a temperature dip to an average of 26°C (78.8°F) at night.Heat index
April's average heat index is evaluated at an extremely hot 43°C (109.4°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in April is 77%.Rainfall
In Raddolugama, during April, the rain falls for 23.4 days and regularly aggregates up to 112mm (4.41") of precipitation. In Raddolugama, Sri Lanka, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.Daylight
In April, the average length of the day is 12h and 17min.On the first day of the month, sunrise is at 06:08 and sunset at 18:20. On the last day of April, sunrise is at 05:56 and sunset at 18:18 +0530.
Sunshine
The months with the most sunshine in Raddolugama, Sri Lanka, are January through April, with an average of 9.2h of sunshine.UV index
The months with the highest UV index in Raddolugama are January through April, July, September, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 7 suggests this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
How hot does it get in Raddolugama in April?
What is the average humidity in April in Raddolugama?
How many days does it rain in April in Raddolugama?
What is the average length of the day in April in Raddolugama?
What time are sunrise and sunset in April in Raddolugama?
What is the month with the most sunshine in Raddolugama?
How long on average sun shines in April in Raddolugama?
What are the months with the highest UV index in Raddolugama?
How high is the UV index in April in Raddolugama?
Average temperature in April
Raddolugama, Sri Lanka
- Average high temperature in April: 32°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in April: 26°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in April
Raddolugama, Sri Lanka
- Average pressure in April: 1009.6mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in April
Raddolugama, Sri Lanka
- Average wind speed in April: 10km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in April
Raddolugama, Sri Lanka
- Average humidity in April: 77%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in April
Raddolugama, Sri Lanka
- Average rainfall in April: 112mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in April
Raddolugama, Sri Lanka
- Average rainfall days in April: 23.4 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in April /
Average sunshine in April
Raddolugama, Sri Lanka
- Average daylight in April: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in April: 9h and 1min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in April
Raddolugama, Sri Lanka
- Average sunshine days in April: 4.6 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in April
Raddolugama, Sri Lanka
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover in April
Raddolugama, Sri Lanka
- Average cloud cover in April: 37
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in April
Raddolugama, Sri Lanka
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
Raddolugama, Sri Lanka
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